planetary science

noun

: planetology
planetary scientist noun

Examples of planetary science in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The smallest planetary science missions, with budgets of less than $100 million, have a lousy track record. — Stephen Clark, ArsTechnica, 19 May 2026 Richard Binzel is a planetary science professor at MIT and has decades of knowledge in space exploration. — Brandon Truitt, CBS News, 11 Apr. 2026 In planetary science, that means the object had already separated into layers, with a dense metallic core surrounded by lighter outer material — similar to how Earth has a core and mantle. — Rupendra Brahambhatt, Interesting Engineering, 9 May 2026 Elkins-Tanton is a professor of planetary science at Arizona State University and the Psyche mission’s principal investigator. — K. R. Callaway, Scientific American, 9 May 2026 See All Example Sentences for planetary science

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of planetary science was in 1969

Rhymes for planetary science

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Browse Nearby Words

planetary nebula
planetary science
planetary transmission
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Cite this Entry

“Planetary science.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary%20science. Accessed 8 Jul. 2026.

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